By CBS 2 Chicago Staff

CHICAGO (CBS) — An explosion at the Cleveland Cliffs steel plant in Burns Harbor send multiple fire departments from Northwest Indiana to the scene, according to Portage police.

Firefighters at the scene of a fire at Cleveland Cliffs. (CBS)

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The explosion happened around 12:30 p.m. and there are no reports of injuries.  A spokesman for Cleveland Cliffs said there was no explosion, but some fires broke out in a slag pit.  The spokesman did say there was a loud boom at the facility, however.

The Burns Harbor plant is Cleveland-Cliffs’ second-largest U.S. facility The plant operates two blast furnaces and can produce nearly 5 million net tons of raw steel annually, according to the company website.

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Firefighters at the scene of a fire at Cleveland Cliffs. (CBS)

Principal products made at this location are hot-rolled, cold-rolled and hot-dip galvanized products. The facility has about 3,200 employees and covers about 2,000 acres near Lake Michigan, east of Portage, on U.S. 12.

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Developing,

CBS 2 Chicago Staff